Here is a list of all documented variables with links to the class documentation for each member:

- m -

MAILBOX : tool_messageinbound\manager
MAILDISPLAY_COURSE_MEMBERS_ONLY : core_user
MAILDISPLAY_EVERYONE : core_user
MAILDISPLAY_HIDE : core_user
MAIN_CONTENT_TOKEN : core_renderer
MANAGER_PATH : tool_licensemanager\helper
MARK_TOLERANCE : question_utils
MATRIX_USER_PREFIX : communication_matrix\matrix_user_manager
MAX_COGNITIVE_LEVEL : core_analytics\local\indicator\community_of_inquiry_activity
MAX_CONTEXT_NAME_LENGTH : core\content\export\zipwriter, core_privacy\local\request\moodle_content_writer
MAX_CSS_IMPORTS : repository_url
MAX_DISPLAYED_NAV_NODES : core\navigation\views\secondary
MAX_DP : question_display_options
MAX_FILESIZE : core\moodlenet\resource_sender
MAX_GROUPS : qtype_ddtoimage_edit_form_base
MAX_INPUT_LENGTH : mod_bigbluebuttonbn\form\guest_add
MAX_MAIN_PROCESS_KEEPALIVE : core\cron
MAX_ONLY : question_display_options
MAX_PRIORITY : data_field_base
MAX_RECURSION_TIME : repository_url
MAX_RESULTS : core_search\manager
MAX_SETTINGS_BATCH : backup_ui_stage_schema, restore_ui_stage_schema
MAX_SIZE : tool_generator_backend
MAX_SLOTS_FOR_DEFAULT_REVIEW_SHOW_ALL : mod_quiz\quiz_attempt
MAX_SOCIAL_LEVEL : core_analytics\local\indicator\community_of_inquiry_activity
MAX_SORTS : core_question\local\bank\view
MAX_STUDENTS_PER_PAGE : grade_report_grader
MAX_TIME : core_analytics\analysable
MAX_TRY_COUNTED : core_question\statistics\responses\analyser
MAX_VALUE : core_analytics\local\indicator\base
MAX_WEIGHT : block_manager
MAXIMUM_STORED_SESSION_HISTORY : core\session\manager
MENU_POSITION_NOT_SET : core_question\local\bank\view_component
MESSAGE_DELETED : tool_messageinbound\manager
MESSAGE_FLAGGED : tool_messageinbound\manager
MESSAGE_SEEN : tool_messageinbound\manager
METHOD_OPENSSL : core\encryption
METHOD_SODIUM : core\encryption
MIN_ANNOTATION_HEIGHT : assignfeedback_editpdf\pdf
MIN_ANNOTATION_WIDTH : assignfeedback_editpdf\pdf
MIN_COLUMN_WIDTH : qbank_columnsortorder\output\column_sort_ui
MIN_MEMORY_SIZE : cachestore_redis\task\ttl
MIN_POLL_INTERVAL : mod_bigbluebuttonbn\local\proxy\bigbluebutton_proxy
MIN_PRIORITY : data_field_base
MIN_SIZE : tool_generator_backend
MIN_VALUE : core_analytics\local\indicator\base
MINDIMS : workshop_accumulative_strategy, workshop_comments_strategy, workshop_numerrors_strategy, workshop_rubric_strategy
MINUTEMAX : core\task\scheduled_task
MINUTEMIN : core\task\scheduled_task
MODE_ALL : core\task\logmanager
MODE_APPLICATION : cache_store
MODE_ASYNC : backup
MODE_CATEGORY : feedback_item_info
MODE_COPY : backup
MODE_COURSE : feedback_item_info
MODE_CREATE_ALL : tool_uploadcourse_processor
MODE_CREATE_NEW : tool_uploadcourse_processor
MODE_CREATE_OR_UPDATE : tool_uploadcourse_processor
MODE_EXTRACT : tgz_extractor
MODE_FAILONLY : core\task\logmanager
MODE_IMPORT : backup
MODE_LIST : tgz_extractor
MODE_LIST_COMPLETE : tgz_extractor
MODE_NONE : core\task\logmanager
MODE_REQUEST : cache_store
MODE_RESPONSETIME : feedback_item_info
MODE_SAMESITE : backup
MODE_SESSION : cache_store
MODE_UPDATE_ONLY : tool_uploadcourse_processor
MODEL_FILENAME : mlbackend_php\processor
MODIFIED_FIELD_NAME : core_search\base_activity
MODULE : mod_data\manager
MONTHMAX : core\task\scheduled_task
MONTHMIN : core\task\scheduled_task
MOODLE_APPS_PORTAL_URL : tool_mobile\api
MOVE_DOWN : core\plugininfo\base
MOVE_UP : core\plugininfo\base
MSG_ADDED : workshop_manual_allocator
MSG_SUCCESS : workshop_random_allocator
MULTIANSWER_DELIMITER : lesson_page